S-m
abbr. 科学硕士（Master of Science）；圣马力诺（San Marino）；虐待狂与受虐狂（Sadism&Masochism）
🗣️ 情景例句
Let them have your parking space, that way you won't come back later to find your car vandalized.
让他们把车停在你的停车位吧，那样你回来时就不会发现你的车被刮花。
Sweep before your own door.
先律己，后律人。
Yes, there must be over two hundred here.
是呀，这儿一定有200多张。